CN105493404B - Method and apparatus for carrying out the process for monitoring power supply - Google Patents
Method and apparatus for carrying out the process for monitoring power supply Download PDFInfo
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- CN105493404B CN105493404B CN201480048876.1A CN201480048876A CN105493404B CN 105493404 B CN105493404 B CN 105493404B CN 201480048876 A CN201480048876 A CN 201480048876A CN 105493404 B CN105493404 B CN 105493404B
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- power supply
- signal
- control device
- switching sequence
- upper level
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/125—Discriminating pulses
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
- H02H1/0076—Details of emergency protective circuit arrangements concerning transmission of signals by superposition on the watched current
Abstract
The present invention relates to a kind of method for monitoring power supply, the power supply is connect by signal line with upper level control device, wherein being inquired with variable polling interval by the upper level control device, whether power supply trouble-freely works.Herein, so-called power supply good signal is enduringly transmitted to the upper level control device by the signal line from the power supply in trouble-free operation, and transmits the switching sequence for being used as high/low signal in the following manner to the upper level control device by the signal line from the power supply when breaking down（4）Report signal（Sig）, i.e., the described switching sequence（4）The transformation of each signal just carry out after section at the following time, the period is longer than the maximum polling interval to be waited for and the switching sequence（4）Each of be not correspond to the signal of the power supply good signal than it is predetermined, for showing that the entirely ineffective signal duration of the power supply is shorter.Therefore, the upper level control device obtain than up to the present the case where more information.
Description
Technical field
The present invention relates to a kind of method for monitoring power supply, the power supply passes through signal line and upper level control device
Connection, wherein being inquired with variable polling interval by the upper level control device, whether power supply trouble-freely works.This
Outside, the present invention relates to a kind of equipment for executing the method.
Background technology
There are following demand in the distinct device including power supply, checks the state of power supply and control dress by upper level
Set detection fault condition.This is especially such case in industrial equipment, and multiple power supplys pass through signal line and center there
Plant control unit connects.The faulty load that faulty power supply or power supply are connected is identified by upper level monitoring
And it can take timely measure, to avoid the upcoming failure of part of appliance.
A kind of report relay for monitoring power supply is recognized by the prior art（Such as master engineer W. Bender have
Limit the VME421 of limited partnership）, wherein report relay includes itself comparator with reference.So monitored power supply example
Such as it is used for the power supply of industrial control device.In addition, understanding has the power supply of integrated report relay.It is used here, power supply has
In itself comparator with reference of control report relay.Report relay is believed to be sent to the plant control unit of upper level
Following signals：I.e. output voltage drops to predetermined value or less.The operating personnel of plant control unit can conclude therefrom that,
Equipment, part of appliance by faulty power supply power supply（Relay, contactor, grating, close to reporter etc.）No longer
Reliable data are operated or no longer provided like that as the set.A kind of possible reaction can be orderly cutting for the equipment
It is disconnected.Alternatively possible reaction is transformed on redundantly existing part of appliance.
Here, report relay is applied on the so-called digital input end of upper level control device and equipped with power supply
Voltage.Upper level control device is commonly implemented as the control device of controllable programming（SPS）And it is operated cyclically equipment
Control program.In the operation of each secondary program, each digital input end of SPS is usually queried once, and wherein circulation time can
To be variable according to current pending control and analysis task.
Specifically, the monitoring of power supply is accomplished by the following way, i.e. SPS inquiries are connected with the numeral input of report relay
Signal condition on end.Such as normal output voltage is shown with high RST, on the contrary, low signal show output voltage drop to it is pre- to
Below fixed threshold value.Although such inspection method allows the utilization of the simple digital input terminal of SPS, having for power supply is not provided
The status information of difference.
By a kind of so-called selective module of WO 2013/079110 A1 understanding or diagnostic module, it is arranged for
Status signal is transmitted to upper level control device.Selective module includes multiple herein for carrying out parallel powering to different loads
Channel.Status signal includes the information of each channel status in the form of serial code.During operation constantly upwards
The digital input end of level-one control device transmits the switching sequence of high/low signal.
Invention content
The task that the present invention is based on is, for the type at the beginning method illustrate it is a kind of compared with the existing technology
It improves.
According to the present invention, the task is solved by method for monitoring power supply and apparatus for carrying out the process
Certainly.The present invention provides a kind of method for monitoring power supply, and the power supply is connect by signal line with upper level control device,
It is wherein inquired with variable polling interval by the upper level control device, whether power supply trouble-freely works, and feature exists
In, in trouble-free operation from the power supply by the signal line constantly to the upper level control device transmit institute
The power supply good signal of meaning, and controlled and filled to the upper level by the signal line from the power supply when breaking down
Report signal of the transmission as the switching sequence of high/low signal in the following manner is set, i.e., each signal of the described switching sequence becomes
It changes section at the following time just to carry out later, the period is longer than the maximum polling interval to be waited for and the switching sequence
Each of be not correspond to the signal of the power supply good signal than entirely ineffective letter predetermined, for showing the power supply
Number duration is shorter.In addition, the present invention provides a kind of apparatus for carrying out the process, which is characterized in that the upper level
The input terminal of control device is designed solely for analyzing high/low signal, and there are the signal lines on the input terminal.
Here, constantly being controlled from the power supply to the upper level by the signal line in trouble-free operation
Device transmits so-called power supply good signal, and when breaking down from the power supply by the signal line to described upper one
Grade control device transmits the report signal of the switching sequence as high/low signal in the following manner, i.e., the described switching sequence it is every
The transformation of a signal just carries out after section at the following time, and the period is longer than the maximum polling interval to be waited for and described cuts
Change each of sequence be not correspond to the signal of the power supply good signal than for show the power supply it is entirely ineffective it is pre- to
The fixed low signal duration is shorter.Therefore following possibility has on the one hand been started, that is, has given determining failure to distribute high/low signal
Once unique switching sequence and on the other hand switching sequence be transformed into lasting low signal, so that it may by identify power supply it is complete
Failure.Therefore, the upper level control device obtain than up to the present the case where more information.In normal condition, pass
Power transmission source good signal, the power supply good signal is only in trouble-free power supply, trouble-free load and trouble-free signal
It is necessarily transmitted in the case of circuit.Once breaking down, power supply good signal is just by the switching sequence of high-low signal come in
It is disconnected.Relative to conventional serial transmission, there are following differences, i.e., the signal that sequence is switched over following time interval converts, institute
State the period that time interval is longer than between the inquiry of upper level control device.Thus the inquiry of stationary singnal can be just utilized as
And the input stage designed, the digital input end for such as being used to transmit additional information.In addition, robust and can be to reliably applied to from
The relay of dynamicization technical field can be used for generating report signal, because by the lasting transmission of power supply good signal, just
Often in operation do not occur that the continuous switch change-over in the service life of relay will be negatively affected.
In a kind of advantageous implementation, transmitted from the power supply to the upper level control device by the signal line
High RST is as power supply good signal.In such implementation, it need not be used to effectively transmit the adjunct circuit of low signal.Power supply
Signal output end on high RST pass through suitable switch element（Such as relay）Directly it is transferred to upper level control dress
It sets.Once power-fail or signal circuit are interrupted, then high RST is necessarily transformed on low signal.Then, switching sequence
The each signal for being not correspond to power supply good signal is low signal, predetermined for showing that power supply is entirely ineffective for the low signal
Signal duration.
Advantageously, the longest of the upper level control device of the predetermined control device for being configured to store programming will wait
The circulation time waited for is as the maximum polling interval to be waited for.Therefore, SPS allows as utilizing for upper level control device in institute
The simple determination of minimum time section between the signal transformation of the switching sequence of setting.
In the simplest case advantageously, the maximum polling interval to be waited for of predetermined 150ms.Therefore, in addition to
Insignificant special circumstances ensure that upper level control device reliably identifies the signal transformation of switching sequence.
The present invention a kind of form in advantageously, the switching sequence each signal transformation at the following time section it
Just occur afterwards, the period is that at least twice of the maximum polling interval to be waited for is long.It therefore meets adopting according to Fourier
Sample is theoretical, and the sampling theory is based on the arbitrary signal with optional frequency.Such signal works as the sample frequency of reception device
It is that at least twice of the highest frequency share of received signal is just identified distinctly when high.
It is provided in another form of the present invention, by the signal condition one at each moment of inquiry and the report signal
It rises and is stored in the upper level control device and by the predetermined of the sequence of the value of the storage and the report signal
Fixed clock exports transmitted switching sequence.The fixed clock of report signal illustrates two signals transformation of switching sequence herein
Between possible minimum time section, rather than with each clock necessarily occur signal transformation.For upper level control device
For in this way always it is known that when may occur signal transformation, i.e., with each clock of report signal.It is logical
Being superimposed for the clock figure and the time graph of the signal condition stored is crossed, actual switching can be exported by simple mode
Sequence.It is not important to herein, during the duration of the signal condition remained unchanged whether when the signal condition continues
Between at the beginning of or nearly at the end of inquired.Therefore, the Clock duration of report signal must be only slightly longer than
The maximum polling interval to be waited for of upper level control device.
A kind of expansion scheme of the method is, is the predetermined different fault type of power supply, gives each fault type
It distributes the switching sequence of itself and specifically reports corresponding switching sequence to letter as failure in case of a failure
Number to the upper level control device transmit.This allows the difference analysis in disturbed condition, wherein in an appropriate manner to not
Same failure is reacted.Then, the fault type for being not directed to the fault type of the basic function of power supply not immediatelys result in
The cut-out of power supply, but cause the maintenance measure in the planned inspection in the future of equipment.
It is advantageous that being a power pin priority level predetermined to each fault type, and occur at the same time
Failure in the case of, the transmission of corresponding switching sequence is arranged according to the priority level distributed.It is required that power supply is cut
The report of disconnected fault type in this way not due to non-key failure while occur and be prevented from.
In this context also advantageously, in the case where connecting the power supply, the power pin is to each failure classes
Type transmits corresponding mark to the upper level control device and obtains the more of corresponding switching sequence by corresponding mark
The priority level of secondary transmission and repetition are predetermined.Therefore, power supply start running or be arranged change after, upper level control
Device is arranged for receiving different switching sequences in an orderly manner.
A kind of expansion scheme regulation, it is predetermined according to the repetition, repeatedly successively passed to the upper level control device
It send the first switching sequence and if there is failure that is new, being assigned the second switching sequence, then interrupts the repeatability transmission
And transmit the second switching sequence.Substantially, switching sequence be recycled and reused for improve identify the switching sequence.Once occurring
New failure then interrupts the repetition especially with higher-priority, so as to as early as possible to upper level control device transmission it is new and
And it may prior report.
For avoiding advantageously, being the power supply predetermined tolerance period, in case of a failure for error reporting
It brings into operation the tolerance period, and on described in the case of the persistent fault after the tolerance period expires
Level-one control device transmits corresponding switching sequence.Ensure in this way, will not be less than briefly very much immediately or
Value is gone beyond the limit of as failure to report.
It is also advantageous that for predetermined time limit of the duration of faulty output voltage, in the time limit
Expire interrupt later the switching sequence transmitted just and instead transmission it is lasting, be not correspond to power supply good signal
Signal.The measure is especially meaningful in the case where not carrying out the power supply of independent auxiliary power supply to report electronic equipment, because
To transmit the signal for being not correspond to power supply good signal in the case where power supply is entirely ineffective.Upper level control device is by the state
It is identified as the report of unmodifiable output voltage failure and is therefore identified as the entirely ineffective of power supply.Thus reliably straight
It connects in sequence to have and be distinguished between the signal transmission of multiple signals and the entirely ineffective of power supply.
The another of the method improves regulation, and the power supply and the power supply are cut off in the case of determining failure
After reactivating corresponding switching sequence is transmitted to the upper level control device.Thereby, it is ensured that needing to cut off electricity immediately
In the case of source failure cause is reported to upper level control device afterwards.This may be this in the case where power supply overheats suddenly
Situation, wherein being no longer able to realize temperature alarming report before the cut-out of power supply.Make failure by subsequent Trouble Report
Lookup becomes easy.
For improved trouble shoot, also it is reasonably, by each switching sequence that is received, being identified as Trouble Report
Row are collectively stored in timestamp in the upper level control device.
Provided in a kind of simple form of the method, persistently monitor at least one output voltage of the power supply and
It terminates in the case where the output voltage is more than predetermined minimum time with predetermined degree rapid drawdown and previously constantly passed
It the power supply good signal that send and is transmitted to the upper level control device for showing the corresponding of the output voltage rapid drawdown
Switching sequence.
It is advantageous that a predetermined period is as minimum time, period ratio institute after load sudden change
The longest regulating time to be waited for for stating power supply is longer.Load sudden change appear in the case that electrical appliance connects or disconnects and
It is especially frequent in industrial equipment.Caused output voltage variation is usually adjusted by power supply, and event to be reported may be not present
Barrier.
This addedly or is alternatively provided, persistently monitors the specific temperature of the power supply, and in the temperature that reaches capacity
The corresponding switching sequence exceeded for showing temperature is transmitted in the case of degree to the upper level control device.
In addition, addedly or alternatively provided to this, the output current of the power supply and defeated reaching persistently is monitored
The corresponding switching sequence exceeded to upper level control device transmission for showing output current in the case of going out current threshold
Row.
The improved identification for passing through upper level control device for report signal is being switched in the power supply
Sequence is to inspection before the transmission of the arranged in succession of the upper level control device, in the transition of two defined switching sequences
Another defined switching sequence whether is randomly generated in area and in this case the arranged in succession switching sequence
Transmission is through extended low signal or through extended high RST between row.Thereby, it is ensured that not by the switching sequence occurred at random mistake
Accidentally it is read as Trouble Report.
A kind of measure regulation of replacement, checks switching sequence to the upper level control device as follows in the power supply
Whether the transmission of arranged in succession randomly generates in the transition region of two defined switching sequences and cuts defined in another
Sequence is changed and in this case the switching sequence specially pre-defined to upper level control device transmission is to show mistake
Trouble Report accidentally.
A kind of according to the present invention in executing the equipment of one of the method, the upper level control device it is defeated
Enter end to be designed solely for analyzing high/low signal, there are the signal lines on the input terminal.In this way,
Upper level control device can be used for the execution of the method by the interface particularly simply constructed.
In a kind of advantageous form of the equipment, the power supply is timing DC power supply, is had for connecting
State the output end of signal line.Power supply of such power supply particularly suitable for the electrical appliance in industrial equipment, wherein to upper level
Plant control unit report failure to maintain equipment availability meaningful.
It is advantageous that the report electronic equipment of itself is set in the power supply, the report electronic equipment connection
Onto the accessory power supply unrelated with the output voltage of the power supply.Thereby, it is ensured that also being carried out after output voltage cut-out upward
The report in the form of switching sequence of level-one control device.
It is provided in another advantageous implementation, the report electronic equipment of itself, the report is set in the power supply
Electronic equipment is connected to by the buffer circuits with energy storage device on the output voltage of the power supply so that described
The power supply of report electronic equipment is also provided by energy storage device after output voltage cut-out.For example as energy storage device
Battery or capacitor are available, thus also can transmit report signal to upper level control device after output voltage failure.
Description of the drawings
The present invention is described with reference to the drawings in an exemplary fashion below.Wherein with schematic diagram：
Fig. 1 shows the known report signal of power supply；
Fig. 2 shows the switching sequences for report output voltage dip；
Fig. 3 shows the structure of switching sequence；
Fig. 4 shows illustrative switching sequence.
Specific implementation mode
Power supply so far signals output voltage rapid drawdown by report signal Sig, and the report signal is direct
By measured output voltage Ua export（Fig. 1）.As long as output voltage Ua corresponds to rated voltage Ua soll, to upper level
Control device transmits high RST.However, if output voltage Ua drop to threshold value U komp hereinafter, if by report signal Sig turn
It changes on low signal.Current boundary causes, and when output current Ia is more than current limitation, output voltage Ua declines.
If during such report signal only transforms to low state in several milliseconds, the identification depends on upper level
The User behavior of control device.If upper level control device is the control dress for storing programming for having varying loop time
It sets, then the inquiry for the input terminal that report signal is applied usually only carries out once per circular flow.Then in of short duration low shape
Whether inquired during state and is randomly carried out.It is filled in addition, can not realize to control to upper level by such report signal
The failed transmission for the differentiation set.
In order to overcome these disadvantages, the switching sequence according to the present invention to the transmission of upper level control device as high/low signal
The report signal of row.Here, section just occurs later at the following time for each signal transformation of switching sequence, the period is longer than
The maximum polling interval to be waited for.In addition, each of described switching sequence is not correspond to the signal of the power supply good signal
Period than it is predetermined, for showing that the entirely ineffective signal duration of the power supply is shorter.
It is achieved that following possibility：Show longerly than the polling interval of upper level control device lasting all electricity
Press rapid drawdown 1,2,3.Threshold value U komp are only only slightly lower than rated output voltage Ua soll herein.By pre-defined high/low
The switching sequence 4 of signal reports the voltage dip of short period（Fig. 2）.Therefore, occurred failure is realized（Such as output voltage
Rapid drawdown）Time-varying process with for transmitting decoupling of the failure to the report signal Sig of upper level control device.
As the preferably predetermined high RST of power supply good signal.Here, power supply is initiatively transmitted to upper level control device
The signal, until the failure of the transmission of switching sequence 4 is caused to occur either until power-fail or until signal line interruption.
Alternatively there is a possibility that this following：The preposition signal in upper level control device of pull-up resistor is inputted
End.Then the relay for generating switching sequence 4 is connected so that report signal is pulled in the case of the coil of excited target
Ground.Then, as power supply good signal, there are low signals on the input terminal of upper level control device.
The transmission either realizes that wherein data transmission is based on power supply by electricity or light report signal Sig herein
Good signal.It means that the signal of activation is permanently present on upper level control device under normal circumstances.Just to pass
Failure is sent, is transformed on switching sequence.
For example, relay or the signaling switch transistor of light separation are for transmitting switching figure.It is controlled as upper level
SPS is for example arranged in device.It is relative to known serially transfer a important difference, turns between high RST and low signal
Change with than SPS it is maximum than the program runtime that waits for（Circulation time）Longer time interval carries out.It thus can profit
The input stage designed with the inquiry for stationary singnal, the digital input end for such as being used to transmit additional information to the CPU of SPS.
In the simplest case, in order to show that low signal is extended to the following period by the of short duration rapid drawdown of output voltage Ua
On, the circulation time of the ratio SPS period is longer.In the of short duration rapid drawdown number millisecond of output voltage（Such as 10ms）In the case of, in
It is that relay for example declines 200ms.Another possibility is, the switching sequence 4 of high-low signal is transmitted to SPS（Fig. 2）.
The structure for the report signal Sig being distinguished is shown in FIG. 3.It is realized by such report signal Sig following
Possibility：Report different fault types.Here, defining the standard of label fault condition.It is related to output voltage Ua, such as in advance
Give a period, the period than after load sudden change the regulating time of power supply it is longer.For this purpose, determining voltage rating
Ua soll.When output voltage Ua drops to voltage rating Ua soll or less more than the predetermined period, then meet
Standard for reporting failure.
Another illustrative standard is, another phase period of output voltage Ua in the regulating time more than power supply
Between more than such as 30% ground drop to voltage rating Ua soll or less.Therefore, huge short overload is detected, which passes through
The short circuit of time upper limit causes.Such failure causes immediately to intervene by the report of the corresponding switching sequence of high-low signal
Functions of the equipments.
Other significant standards are the predetermined threshold value of the temperature for critical component or temperature standard and are related to
The combination of the standard of the output voltage Ua or output current Ia of power supply.
Relay only recognizes both on off states " decline " and " pull-up ".Therefore, simple use is set in power supply
In the report electronic equipment of control relay.
According to information to be transmitted, relay is controlled according to pre-defined switching sequence 4.Such pre-defined cuts
It changes sequence 4 and is for example started with start bit 5, the start bit is long by the low signal of a clock length t and two subsequent clocks
Spend the high RST composition of t.As the predetermined polling intervals waited for than maximum clock length t（Such as 250ms）When longer
Between section.The low signal of a clock length t is also followed after the start bit 5, and then multiple positions 6,7,8,9 can be used for letter
Breath transmission.High RST corresponds to binary number " 1 ", and low signal corresponds to binary number " 0 ".By such as four phases each other
After position 6,7,8,9 can define 16 different switching sequences 4.
The grade of fault type is meaningful, wherein when occur with more high priority failure when outage report
Accuse transmission.In the simplest case, which is lacking completely for the output voltage Ua of power supply.Even if no longer
Power supply and relay to relay enduringly decline, this is identified as the entirely ineffective of power supply by SPS.Therefore, persistently decline
Relay compared to also with defined switching sequence 4 switch relay transmit higher value information.
In order to make report transmission insurance significantly repeatedly transmit successively but non-continuously switching sequence 4, so as to
The service life of relay is not reduced.In order to explicitly analyze, each switching sequence is used for character forms transmission to SPS before this
4 repetition is predetermined.This be for example happened at power supply every time start running or reset after.The mark transmission equally with
The switching sequence form of high-low signal carries out, wherein being for example specially that the start bit that the process defines is placed in front.
Illustrative switching sequence 4a, 4b, 4c, 4d is shown in FIG. 4.First three switching sequence 4a, 4b, 4c have identical
Start bit and be for example assigned to three different fault types.The 4th switching sequence 4d with another start bit is for example
For showing error reporting.
The present invention also includes the power supply for having multiple power take-offs, wherein the mistake occurred to the transmission of upper level control device
Accidentally together with the distribution to involved output end.This for example by the beginning of switching sequence 4a, 4b, 4c or at the end of it is defeated
The respective markers of outlet are realized.
Claims (25)
1. the method for monitoring power supply, the power supply is connect by signal line with upper level control device, wherein by institute
It states upper level control device to inquire with variable polling interval, whether power supply trouble-freely works, which is characterized in that in fault-free
Operation in from the power supply by the signal line constantly to the upper level control device transmit power supply good signal,
And it is transmitted in the following manner to the upper level control device by the signal line from the power supply when breaking down
Switching sequence as high/low signal（4）Report signal（Sig）, i.e., the described switching sequence（4）Each signal transformation with
It is just carried out after the lower period, the period is longer than the maximum polling interval to be waited for and the switching sequence（4）'s
The signal of the power supply good signal is each not correspond to than the entirely ineffective predetermined signal for showing the power supply
Duration is shorter.
2. according to the method described in claim 1, it is characterized in that, from the power supply by the signal line to described upper one
Grade control device transmits high RST as power supply good signal.
3. method according to claim 1 or 2, which is characterized in that be configured to that the upper of the control device of programming can be stored
The longest circulation time to be waited for of level-one control device comes predetermined as the maximum polling interval to be waited for.
4. method according to claim 1 or 2, which is characterized in that between the maximum inquiry to be waited for of predetermined 150ms
Every.
5. method according to claim 1 or 2, which is characterized in that the switching sequence（4）Each signal transformation with
It is just carried out after the lower period, at least twice that the period is the largest the polling interval to be waited for is long.
6. according to the method described in claim 1, it is characterized in that, by each moment of inquiry and the report signal（Sig）
Signal condition be collectively stored in the upper level control device and by the sequence of the stored value and the report
Signal（Sig）Predetermined fixed clock export transmitted switching sequence（4）.
7. according to the method described in claim 4, it is characterized in that, by each moment of inquiry and the report signal（Sig）
Signal condition be collectively stored in the upper level control device and by the sequence of the stored value and the report
Signal（Sig）Predetermined fixed clock export transmitted switching sequence（4）.
8. method according to claim 1 or 2, which is characterized in that be the predetermined different fault type of power supply so that give
Each fault type distributes the switching sequence of itself（4）And in case of a failure by corresponding switching sequence（4）Make
It is transmitted to the upper level control device for the specific report signal of failure.
9. according to the method described in claim 8, it is characterized in that, being that predetermined one of power supply is preferential for each fault type
Rank, and in the case of the failure occurred at the same time, according to the priority level distributed to corresponding switching sequence（4）Transmission
It is arranged.
10. according to the method described in claim 9, it is characterized in that, in the case where connecting the power supply, the power pin pair
Each fault type transmits corresponding mark to the upper level control device and is learnt for phase by corresponding mark
Answer switching sequence（4）The priority level repeatedly transmitted and repeat it is predetermined.
11. according to the method described in claim 8, it is characterized in that, according to repeatedly predetermined, repeatedly successively to described upper one
Grade control device transmits the first switching sequence（4a）And if there is new, assigned second switching sequence（4b）Failure,
The repeatability is then interrupted to transmit and transmit the second switching sequence（4b）.
12. method according to claim 1 or 2, which is characterized in that be a power supply predetermined tolerance period, going out
The tolerance period brings into operation in the case of existing failure, and the persistent fault after the tolerance period expires
In the case of to the upper level control device transmit corresponding switching sequence.
13. method according to claim 1 or 2, which is characterized in that pre- for the duration of faulty output voltage
A time limit is given, expiring to interrupt the switching sequence transmitted just later and instead transmit in the time limit continues
, signal that be not correspond to power supply good signal.
14. method according to claim 1 or 2, which is characterized in that cut off the power supply in the case of determining failure
And the power supply transmits corresponding switching sequence after reactivating to the upper level control device（4）.
15. method according to claim 1 or 2, which is characterized in that by it is each it is received, be identified as Trouble Report
Switching sequence（4）It is collectively stored in the upper level control device with timestamp.
16. method according to claim 1 or 2, which is characterized in that persistently monitor at least one output electricity of the power supply
Pressure（Ua）And in the output voltage（Ua）With predetermined degree rapid drawdown be more than predetermined minimum time in the case of to
The upper level control device transmits the corresponding switching sequence for showing the output voltage rapid drawdown（4）.
17. according to the method for claim 16, which is characterized in that the predetermined following period is described as minimum time
Period than after load sudden change the power supply it is longest than the design time that waits for it is longer.
18. method according to claim 1 or 2, which is characterized in that persistently monitor the specific temperature of the power supply, and
The corresponding switching sequence exceeded for showing temperature is transmitted to the upper level control device in the case where reaching capacity temperature
Row（4）.
19. method according to claim 1 or 2, which is characterized in that persistently monitor the output current of the power supply（Ia）And
And the phase exceeded for showing output current is transmitted to the upper level control device in the case where reaching output current threshold value
The switching sequence answered（4）.
20. according to the method described in claim 8, it is characterized in that, in switching sequence in the power supply（4a, 4b）To described
It is checked before the transmission of the arranged in succession of upper level control device, in two defined switching sequences（4a, 4b）Transition region
In whether randomly generate another defined switching sequence（4c）And in this case in the switching of the arranged in succession
Transmission is through extended low signal or through extended high RST between sequence.
21. according to the method described in claim 8, it is characterized in that, checking switching sequence as follows in the power supply（4a, 4b）
Transmission to the arranged in succession of the upper level control device, i.e., in two defined switching sequences（4a, 4b）Transition region
In whether randomly generate another defined switching sequence（4c）And in this case to the upper level control device
The switching sequence that transmission specially pre-defines（4d）To show the Trouble Report of mistake.
22. a kind of equipment for executing the method according to any one of claim 1 to 21, which is characterized in that described
The input terminal of upper level control device is designed solely for analyzing high/low signal, and there are the signals on the input terminal
Circuit.
23. equipment according to claim 22, which is characterized in that the power supply is timing DC power supply, has and is used for
Connect the output end of the signal line.
24. the equipment according to claim 22 or 23, which is characterized in that be provided with the report electricity of itself in the power supply
Sub- equipment, the report electronic equipment are connected to the output voltage with the power supply（Ua）On unrelated accessory power supply.
25. the equipment according to claim 22 or 23, which is characterized in that be provided with the report electricity of itself in the power supply
Sub- equipment, the report electronic equipment are connected to the output electricity of the power supply by the buffer circuits with energy storage device
In pressure so that the power supply of report electronic equipment is provided after output voltage cut-out by energy storage device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13182998.8 | 2013-09-04 | ||
| EP13182998.8A EP2846462A1 (en) | 2013-09-04 | 2013-09-04 | Method for monitoring a power supply |
| PCT/EP2014/068607 WO2015032749A1 (en) | 2013-09-04 | 2014-09-02 | Method for monitoring a power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105493404A CN105493404A (en) | 2016-04-13 |
| CN105493404B true CN105493404B (en) | 2018-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480048876.1A Active CN105493404B (en) | 2013-09-04 | 2014-09-02 | Method and apparatus for carrying out the process for monitoring power supply |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9869727B2 (en) |
| EP (1) | EP2846462A1 (en) |
| CN (1) | CN105493404B (en) |
| DE (1) | DE112014004039A5 (en) |
| WO (1) | WO2015032749A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11031804B2 (en) * | 2017-11-06 | 2021-06-08 | Nxp B.V. | Power controller |
| JP7161358B2 (en) * | 2018-09-26 | 2022-10-26 | キヤノン株式会社 | Electronic devices and methods of presenting power-off errors in such devices |
| US11196285B2 (en) | 2019-11-14 | 2021-12-07 | International Business Machines Corporation | Operating a redundant power supply regulator using a transition control signal |
| CN110907754B (en) * | 2019-12-02 | 2021-10-01 | 国网福建省电力有限公司莆田供电公司 | Fault line severity evaluation method based on PSD-BPA |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2074406A (en) * | 1980-04-15 | 1981-10-28 | Westinghouse Electric Corp | Circuit interrupter with remote indicator and power supply |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6574577B2 (en) * | 2000-12-13 | 2003-06-03 | Intel Corporation | Circuit to indicate the status of a supply voltage |
| US6871291B2 (en) * | 2002-01-22 | 2005-03-22 | Wistron Corporation | Method for recording power failure time of a computer system |
| WO2009035677A1 (en) * | 2007-09-12 | 2009-03-19 | International Rectifier Corporation | Switched mode power converter with over temperature detection |
| US8108700B2 (en) * | 2009-03-10 | 2012-01-31 | International Business Machines Corporation | Power supply identification using a modified power good signal |
| US8680884B2 (en) * | 2010-03-25 | 2014-03-25 | Cree, Inc. | Fault detection circuits for switched mode power supplies and related methods of operation |
| JP5896602B2 (en) * | 2011-01-06 | 2016-03-30 | ミツミ電機株式会社 | Communication circuit and sampling adjustment method |
| WO2013079110A1 (en) | 2011-12-01 | 2013-06-06 | Siemens Aktiengesellschaft | Selectivity module with serial status signal |
-
2013
- 2013-09-04 EP EP13182998.8A patent/EP2846462A1/en not_active Withdrawn
-
2014
- 2014-09-02 WO PCT/EP2014/068607 patent/WO2015032749A1/en active Application Filing
- 2014-09-02 CN CN201480048876.1A patent/CN105493404B/en active Active
- 2014-09-02 DE DE112014004039.8T patent/DE112014004039A5/en active Pending
- 2014-09-02 US US14/915,524 patent/US9869727B2/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2074406A (en) * | 1980-04-15 | 1981-10-28 | Westinghouse Electric Corp | Circuit interrupter with remote indicator and power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| US9869727B2 (en) | 2018-01-16 |
| EP2846462A1 (en) | 2015-03-11 |
| DE112014004039A5 (en) | 2016-09-22 |
| WO2015032749A1 (en) | 2015-03-12 |
| CN105493404A (en) | 2016-04-13 |
| US20160209475A1 (en) | 2016-07-21 |
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